DOS Tutorial

MS-DOS Operating System Most Personal Computers run under the MS-DOS Operating System. MS-DOS being the Microsoft Disk Operating System.

It is estimated that almost 10 million machines run under the MS-DOS Operating System and some 20,000 or more end-user applications have been published to run with it.

The Operating System is the program which provides organized services to the computer user and the application programs that they wish to use.
These services consist mainly of access to the hardware resources such as the disk drives, keyboard, etc.